Messages in this thread | | | Date | Sun, 13 Jan 2013 10:12:45 -0800 | From | "Paul E. McKenney" <> | Subject | Re: Build error on kernel/rcutree.c |
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On Sun, Jan 13, 2013 at 04:03:24PM -0200, Fabio Estevam wrote: > Hi Paul, > > When building ARM imx_v4_v5_defconfig the following error shows up on > linux-next 20130111: > > kernel/rcutree.c:808:2: error: implicit declaration of function > 'rcu_jiffies_till_stall_check' [-Werror=implicit-function-declaration] > kernel/rcutree.c:941:6: error: 'rcu_cpu_stall_suppress' undeclared > (first use in this function) > > Is this a known issue?
Yes, the fix is in -rcu and should make it to -next soon.
In the meantime, you can work around the problem by avoiding selecting CONFIG_TREE_PREEMPT_RCU=y on SMP=n builds -- use CONFIG_TINY_PREEMPT_RCU instead.
Thanx, Paul
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